EP2312709B1 - Gasisolierte Schaltanlage - Google Patents

Gasisolierte Schaltanlage Download PDF

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Publication number
EP2312709B1
EP2312709B1 EP09012903A EP09012903A EP2312709B1 EP 2312709 B1 EP2312709 B1 EP 2312709B1 EP 09012903 A EP09012903 A EP 09012903A EP 09012903 A EP09012903 A EP 09012903A EP 2312709 B1 EP2312709 B1 EP 2312709B1
Authority
EP
European Patent Office
Prior art keywords
gas insulated
plasma
insulated switchgear
rear side
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09012903A
Other languages
English (en)
French (fr)
Other versions
EP2312709A1 (de
Inventor
Maik Dr.-Ing. Hyrenbach
Walter Klaes
Olaf Fussbahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Technology AG
Original Assignee
ABB Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to ES09012903T priority Critical patent/ES2399949T3/es
Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to EP09012903A priority patent/EP2312709B1/de
Priority to PCT/EP2010/006259 priority patent/WO2011045042A1/en
Priority to CA2776825A priority patent/CA2776825C/en
Priority to KR1020127009395A priority patent/KR101535161B1/ko
Priority to CN201080046105.0A priority patent/CN102598446B/zh
Priority to AU2010306081A priority patent/AU2010306081B2/en
Publication of EP2312709A1 publication Critical patent/EP2312709A1/de
Priority to ZA2012/02617A priority patent/ZA201202617B/en
Application granted granted Critical
Publication of EP2312709B1 publication Critical patent/EP2312709B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear

Definitions

  • the invention relates to a gas insulated switchgear for medium or high voltage use in case of at least two switchgear panels arranged beside (together), with means for pressure relief in the housing of the switchgear, or a compartment of the switchgear.
  • the protection against internal failures in switchgears is very important. Depending on the design and the erection on side according to the standard, the protection can be limited to the different areas front, left and right sides and rear sides.
  • Known solutions for protecting the rear side are:
  • the plasma is guided to the ceiling.
  • DE 39 27 835 discloses a Gas insulated switchgear for medium or high voltage use in which in case of at least two switchgear panels arranged beside, means for pressure relief in the housing of the switchgear are applied, with means for splitting escaping plasma at the rear side of the panel arrangement, in order to distribute the plasma.
  • a common disadvantage is, that the ducts are limiting the heat transfer of the encapsulations as there is no free air movement in horizontal and/or vertical direction. This is limiting the maximum nominal current of the switchgear.
  • the known solutions are mostly panel oriented solutions, means the ducts are dimensioned for one panel and the cross section is related to the panel dimensions.
  • a gas insulated switchgear is provided with a pressure relief which is arranged at the rear side of the housing or compartment and it corresponds with guiding means, which guide in case of a escaping plasma at first in direction to the floor, from where it will be splitted or distributed by splitting or distributing means over more than one panel rear side.
  • the switchgear housing metal sheets are arranged as a cover in a distance from the housing or compartment (panel) rear side, so that there is an interspace between the cover and the rear side, in which the splitting and/or distributing means are arranged.
  • the plasma will escape over the pressure relief in the rear side of the panel. Then the plasma will be deflected towards the bottom or the ceiling. So in the easiest embodiment, the bottom itself is the guiding or reflecting means, which causes a distribution of the plasma over the rear side area of several panels. So the plasma will be furthermore pressure reduced more and more, ande therefore very effective.
  • a further preferred embodiment is, that the bottom of the interspace is closed, in order to reflect the plasma towards the top of the interspace in that way. So the plasma can not escape under the panels towards the front side of the panels.
  • a further plasma deflector is arranged, in order to guide the plasma at the top away from the cover.
  • the deflector is preferably arranged in an angle a between 20° and 70° form the upper vertical position, so that the plasma finally escape like shown in the figure 1 .
  • the pressure relief is located in the high or medium voltage equipment compartment of the switchgear, because this compartment of the switch gear is the possible source of light arcs and occurring plasma.
  • the deflector and/or the reflecting or guiding means are connected electrically on ground potential.
  • Figur 1 shows a sectional side view of the gas insulated switchgear from the side view.
  • a compartment 1 with high voltage equipment, such as switching devices for medium or high voltage.
  • an internally occurring light arc 2 is shown, which generates a plasma 3 which is flowing towards the pressure relief.
  • a first pressure relief guide/reflector element 5 is located there at the pressure relief, in order to guide the plasma at first towards the bottom.
  • a metal sheet or a cover 6 which is arranged with a distance to the rear side of the panel, and which could be bended at the bottom towards the rear side of the panel.
  • the floor itself is the deflecting or guiding means for distributing the plasma over several panel rear sides.
  • the plasma is distributed over more than one panel rear side, and increases finally towards the top of the metal sheet 6 where a deflector 7 as last guiding means is arranged.
  • This deflector 7 should be arranged in an angle a of preferably 25° from the upside vertical position, in order to deflect the plasma slightly over the panel topside, but away from the metal sheet 6.
  • the angle is measured from the vertical position of the cover.
  • Figure 2 shows a rear view on the rear side of an ensemble of three panels.
  • the plasma after reflecting/distributing the plasma towards the bottom, it will be reflected from the bottom side and spread over the complete rearside arrangement of more than one panel rear side.
  • This distribution of the plasma over a greater area it will be reduced in pressure very efficiently and quickly.
  • a back cover of sheet metal is assembled to the rear side of the switchgear, with a defined distance between the panel rear side and the cover.
  • the cover is assembled to every panel, but open to both sides and the top, except at the end of the complete switchgear, where the sides are closed by the use of end covers. It is also possible that one sheet metal is covering two or three panels, depending on the dimensions of each panel.
  • the pressure relief of the panel compartments are guiding to the backside in the area between the rear side of the compartment and the back cover.
  • the plasma may be directed to the floor first and is then reflected to the top, by the limits given by the floor and the end covers. This is enlarging the available crossection and reducing the pressure significant.
  • a deflector with a defined angle between the back cover and the deflector is assembled, which is guiding the plasma to the front. This ensures that there is no risk of reflection of plasma on the ceiling in the direction of personnel located behind the panel. The angle is calculated in that way, that there is also no risk for the operator located in front of the panel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Plasma Technology (AREA)
  • Gas-Insulated Switchgears (AREA)

Claims (9)

  1. Gasisolierte Schaltanlage zur Verwendung bei Mittel- oder Hochspannung, für den Fall, dass mindestens zwei Schaltfelder nebeneinander (zusammen) angeordnet sind, mit Mitteln zur Druckentlastung in dem Gehäuse der Schaltanlage oder einem Raum der Schaltanlage,
    wobei die Druckentlastung (4) an der Rückseite des Gehäuses oder Raumes angeordnet ist und Führungsmitteln (5) entspricht, die im Falle eines Plasmaaustrittes (3) dieses zunächst in Richtung des Bodens lenken, von wo es durch Aufteilungs- oder Verteilungsmittel (6) über mehr als eine Feldrückseite aufgeteilt oder verteilt wird,
    dadurch gekennzeichnet, dass an der Rückseite der mindestens zwei Schaltfelder Gehäuse-Metallbleche (6) als eine Abdeckung mit einem Abstand von der Gehäuse oder Raum (Feld) -Rückseite angeordnet sind, derart, dass ein Zwischenraum zwischen der Abdeckung (6) und der Rückseite gebildet wird, in dem die Aufteilungs- und/oder Verteilungsmittel (5, 6, 7) angeordnet sind.
  2. Gasisolierte Schaltanlage gemäß Anspruch 1,
    dadurch gekennzeichnet, dass der Boden des Zwischenraumes geschlossen ist, um das Plasma in Richtung der Oberseite des Zwischenraumes abzulenken.
  3. Gasisolierte Schaltanlage gemäß Anspruch 2,
    dadurch gekennzeichnet, dass an der Oberseite des Zwischenraumes ein weiterer Plasmadeflektor (7) angeordnet ist, um das Plasma (3) an der Oberseite von der Abdeckung weg zu führen.
  4. Gasisolierte Schaltanlage gemäß Anspruch 2,
    dadurch gekennzeichnet, dass der Deflektor (7) in einem Winkel 20° ≤ a ≤ 70° von der oberen vertikalen Position angeordnet ist.
  5. Gasisolierte Schaltanlage gemäß Anspruch 4,
    dadurch gekennzeichnet, dass sich die Druckentlastung im Geräteraum für Hoch- oder Mittelspannung der Schaltanlage befindet.
  6. Gasisolierte Schaltanlage gemäß einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der Deflektor und/oder die Ablenkungs- oder Führungsmittel aus elektrisch leitendem Material hergestellt sind.
  7. Gasisolierte Schaltanlage gemäß Anspruch 6,
    dadurch gekennzeichnet, dass das leitfähige Material Metall ist.
  8. Gasisolierte Schaltanlage gemäß Anspruch 6,
    dadurch gekennzeichnet, dass das leitfähige Material leitfähiges Kunststoffmaterial ist.
  9. Gasisolierte Schaltanlage gemäß einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der Deflektor und/oder die Ablenkungs- oder
    Führungsmittel elektrisch mit dem Erdpotenzial verbunden sind.
EP09012903A 2009-10-13 2009-10-13 Gasisolierte Schaltanlage Active EP2312709B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP09012903A EP2312709B1 (de) 2009-10-13 2009-10-13 Gasisolierte Schaltanlage
ES09012903T ES2399949T3 (es) 2009-10-13 2009-10-13 Aparellaje de conmutación aislado por gas
CA2776825A CA2776825C (en) 2009-10-13 2010-10-13 Gas insulated switchgear
KR1020127009395A KR101535161B1 (ko) 2009-10-13 2010-10-13 가스 절연 스위치기어
PCT/EP2010/006259 WO2011045042A1 (en) 2009-10-13 2010-10-13 Gas insulated switchgear
CN201080046105.0A CN102598446B (zh) 2009-10-13 2010-10-13 气体绝缘的开关设备
AU2010306081A AU2010306081B2 (en) 2009-10-13 2010-10-13 Gas insulated switchgear
ZA2012/02617A ZA201202617B (en) 2009-10-13 2012-04-11 Gas insulated switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012903A EP2312709B1 (de) 2009-10-13 2009-10-13 Gasisolierte Schaltanlage

Publications (2)

Publication Number Publication Date
EP2312709A1 EP2312709A1 (de) 2011-04-20
EP2312709B1 true EP2312709B1 (de) 2012-12-12

Family

ID=42068514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09012903A Active EP2312709B1 (de) 2009-10-13 2009-10-13 Gasisolierte Schaltanlage

Country Status (8)

Country Link
EP (1) EP2312709B1 (de)
KR (1) KR101535161B1 (de)
CN (1) CN102598446B (de)
AU (1) AU2010306081B2 (de)
CA (1) CA2776825C (de)
ES (1) ES2399949T3 (de)
WO (1) WO2011045042A1 (de)
ZA (1) ZA201202617B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014057694A1 (ja) * 2012-10-10 2014-04-17 三菱電機株式会社 スイッチギヤ
WO2014172886A1 (en) 2013-04-26 2014-10-30 General Electric Company Switchgear housing including pressure relief member
GB2519806A (en) * 2013-10-31 2015-05-06 Eaton Ind Netherlands Bv Switchgear housing with modular expansion channel and chimney
CN112154581B (zh) * 2018-05-24 2022-04-08 三菱电机株式会社 气体绝缘开闭装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3927835A1 (de) * 1989-08-23 1991-02-28 Ritter Starkstromtech Gekapselte mittelspannungsschaltanlage
US5193049A (en) * 1989-12-01 1993-03-09 Northern Engineering Industries, Plc Enclosures for electrical switchgear
CN201278437Y (zh) * 2008-05-05 2009-07-22 杨树昌 防水防尘防爆集中散热密封配电柜
ES2586250T3 (es) * 2009-10-13 2016-10-13 Abb Schweiz Ag Dispositivo de conmutación de tensión trifásica media aislado con gas

Also Published As

Publication number Publication date
ZA201202617B (en) 2012-12-27
AU2010306081A1 (en) 2012-05-03
CA2776825C (en) 2016-02-16
WO2011045042A1 (en) 2011-04-21
AU2010306081B2 (en) 2014-08-28
KR101535161B1 (ko) 2015-07-08
EP2312709A1 (de) 2011-04-20
CN102598446B (zh) 2015-04-08
AU2010306081A8 (en) 2012-07-05
KR20120091076A (ko) 2012-08-17
ES2399949T3 (es) 2013-04-04
CA2776825A1 (en) 2011-04-21
CN102598446A (zh) 2012-07-18

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